package com.project.mapper;

import com.baomidou.mybatisplus.core.mapper.BaseMapper;
import com.project.bean.ColumBean;
import org.apache.ibatis.annotations.Mapper;

import java.time.LocalDate;
import java.util.List;

/**
 * 月销售统计
 */
@Mapper
public interface IColumMapper extends BaseMapper<ColumBean> {
    public List<ColumBean> findClassesSaleByYear(String year);
}
